(PECL sync >= 1.0.0)
SyncReaderWriter::writelock — Waits for an exclusive write lock
public SyncReaderWriter::writelock ([ int $wait = -1 ] ) : bool
Obtains an exclusive write lock on a SyncReaderWriter object.
The number of milliseconds to wait for a lock. A value of -1 is infinite.
A boolean of TRUE if the lock was obtained, FALSE otherwise.
Example #1 SyncReaderWriter::writelock() example
<?php $readwrite = new SyncReaderWriter("FileCacheLock"); $readwrite->writelock(); /* ... */ $readwrite->writeunlock(); ?>
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